• "First Ace Printing: November 1979"
• First printing per the number line: 2 4 6 8 0 9 7 5 3 1
• Preface is uncredited on the TOC but listed as by J. E. Pournelle Ph. D. on the title page of the essay
• The Endless Frontier is credited to Jerry Pournelle on the TOC but listed as by J. E. Pournelle Ph. D. on the title page of the essay
• The Endless Frontier which appears in this publication is wholly different from the similarly titled essay which appears in Volume III of this series.
• Each of the short essays 'Editors Introduction/Afterword to:' are uncredited but each is written from the perspective of Jerry Pournelle and are credited here at the ISFDB as such.
• Cover art credited to Di Fate on copyright page, no visible signature
